<template>
  <div class="icons" >
    <swiper :options="swiperOptions">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="ico-img-content" :src='item.imgUrl' alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
export default {
  name: 'HomeIcons',
  props: {iconList: Array},
  data () {
    return {
      swiperOptions: {
        auto: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style lang="stylus" scoped>
@import '~assets/variles.styl'
@import '~assets/mixins.styl'
.icons
  margin-top: .1rem
  height: 0
  overflow: hidden
  padding-bottom: 50%
  .icon
    position: relative
    height: 0
    width: 25%
    padding-bottom: 25%
    float: left
    overflow: hidden
    .icon-desc
      position: absolute
      line-height:  .44rem
      bottom: 0
      right: 0
      width: 100%
      height: .44rem
      color: $darkTextColor
      text-align: center
      overflow: hidden
      white-space: nowrap
      text-overflow: ellipsis
    .icon-img
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      .ico-img-content
        height: 100%
        display: block
        margin:  0 auto
</style>
